Breakneck River Entrance Swell ForecastAustraliaSAKangaroo IslandBreakneck River Entrance1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIBreakneck River Entrance swell forecast issued today at 12:21 am. Next forecast at approx. 12:21 am. Wave Height Sea TemperatureGet WillyWeather+ to remove ads